Build voice and video services for SIP & WebRTC devices with our APIs

Connect your SIP or WebRTC devices to our APIs and offer voice and video communications (VoIP) as part of your service or application. You can also easily allow inbound or outbound voice calls to and from the PSTN network or to a private trunkline.
Do you need to bridge between analogue and SIP?

Easy-to-use APIs

Technical features of our voice and video services.

Voice and video services for any application and any device

Connect devices such as

  • Telecare devices & wristwatches
  • Elevators, intercoms & doorbells
  • Cameras & drones
  • WebRTC clients
  • IP desk- or soft phones's easy to use APIs enable voice &and video services without any hassle
Get quickly up and running with key functionalities​!




Connect and register SIP devices and applications

The SIP devices are provisioned and registered using native SIP or SIP over secure WebSocket (WebRTC).

Once the SIP devices are registered, they are reachable and ready to initiate or receive SIP sessions, such as voice or video calling.

Initiate SIP sessions from SIP or WebRTC devices​​

Registered devices can initiate and receive SIP sessions i.e voice calls or video communication between devices.

If SIP devices are behind NAT or a Firewall, a media relay service will be dynamically added to make sure that devices stay reachable as expected.

Initiate voice calling over the PSTN network

Enable external calling by connecting a SIP-trunk to a PSTN provider to allow inbound and outbound PSTN calls.

Connect to a private SIP trunk for your internal SIP service i.e an enterprise PBX or a call center in order to integrate the SIP devices with your existing voice solution.

APIs tailored for developers

We package telecom complexity and protocol fragmentation in easy-to-use APIs for you to save time and cost, and offer superior performance. Explore getting started guides and APIs in our Developer Area.

Provision and get started with Voice & Video Services

What's your Use Case?

Calling Between SIP Devices

Provide end-to-end voice and video calling between your SIP devices connected to the public internet. No additional infrastructure is needed to be setup or maintained.

WebRTC Interworking

Add WebRTC capabilities to your voice and video calling service. WebRTC is natively supported in the platform and is treated just as a SIP device.

Elevator Communication

Connect local elevator SIP terminals to and allow external alarm calls to Alarm Receiving Centers. An internal echo service is provided for elevator self-tests.

Video Intercom

Allow visitors to communicate with video to a tenant’s mobile phone, tablet, softphone etc via SIP or WebRTC clients, or distribute the video to a reception or surveillance center.

Event-Based Notifications

Provide event-based notifications to your service and invoke additional service logic or activities triggered by events such as SIP device registration or session initiation.

Looking for something else?

Is your use case not covered here? Please tell us and we’ll be happy to find out how our voice and video services can add value to you!
Our customers experience reduced cost, improved time to market and increased quality
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Get Started

Talk to us today or visit our Developer Area to learn more about our Voice & Video APIs.

Talk to us today

Get in contact if you want to start building with our granular & feature rich communication APIs.

Modern CPaaS built cloud-native from ground up – we run the operations for you so you can focus on your customers’ experience.


Built for mission critical alarm, voice & video services – delivering superior reliability, security and availability.

Built with serverless functions in AWS for unlimited scale, reach and global deployment – extend to new markets quick and easy.

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